78472716

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{317}}^1\times {\mathrm{421}}^1$

素因数の和:759

約数の個数: 72

約数和(自身を含む): 214176816

約数和(自身を除く): 135704100

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 317, 421, 588, 634, 842, 951, 1263, 1268, 1684, 1902, 2219, 2526, 2947, 3804, 4438, 5052, 5894, 6657, 8841, 8876, 11788, 13314, 15533, 17682, 20629, 26628, 31066, 35364, 41258, 46599, 61887, 62132, 82516, 93198, 123774, 133457, 186396, 247548, 266914, 400371, 533828, 800742, 934199, 1601484, 1868398, 2802597, 3736796, 5605194, 6539393, 11210388, 13078786, 19618179, 26157572, 39236358, 78472716]

約数ペア:

[(1, 78472716), (2, 39236358), (3, 26157572), (4, 19618179), (6, 13078786), (7, 11210388), (12, 6539393), (14, 5605194), (21, 3736796), (28, 2802597), (42, 1868398), (49, 1601484), (84, 934199), (98, 800742), (147, 533828), (196, 400371), (294, 266914), (317, 247548), (421, 186396), (588, 133457), (634, 123774), (842, 93198), (951, 82516), (1263, 62132), (1268, 61887), (1684, 46599), (1902, 41258), (2219, 35364), (2526, 31066), (2947, 26628), (3804, 20629), (4438, 17682), (5052, 15533), (5894, 13314), (6657, 11788), (8841, 8876)]